Muddy Waters - "Crawling Kingsnake"

Sleeper Amp - Modded 1971 Fender Champ

Bigger tranny and addition of a choke.

Soviet K40Y-P paper-in-oil tone caps.

The amp also has a Weber 10A125-0 speaker. Looks like a stock Champ, sounds like no Champ you've ever heard. Loud and proud with warm tone and soft crunch.

Note:  A choke works in the rectifier circuit, which converts AC wall power to DC power which your amp needs. The choke helps to smooth out and increase the power that is available to the tubes. The effect is that it makes your amp sound darker and punchier. The bigger transformer with the choke turn the little Champ into a more powerful amp.

Howlin' Wolf - "How Many More Years" (1966)

Paul Butterfield - Driftin' Blues (Monterey 1967)

Buddy Guy and Junior Wells at Montreux (1974)

Buddy Guy and Junior Wells at Montreux, 1974 - "Hoodoo Man Blues." Twelve minutes of slow blues bliss. Bill Wyman on bass.

Muddy Waters w/ Mojo Buford on Harp, Chicago (1981)

The Fabulous Thunderbirds - "Early Every Morning"

Kim Wilson's amp looks like a Fender brown Vibroverb.  Great tone!

New Harp Blog from Ryan Hartt

Ryan Hartt has a new harp blog up:   Blues Harmonica News.  Check it out.  I has a bit of attitude.